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The Start – by far and away the best part of karting! Once you take your first start, you’re hooked!

So you are sitting there with your new kart, hopefully you have gone to the track to check out a local race, and want in. Then you think, wait, these guys are pretty fast and are running really close to each other at speed, am I ready for this? That’s a great question and one that I have thought about a lot because I have not only had friends get into the sport but recently coached someone who was just starting to race. This made me examine how I would do it over given a clean slate. There is a definite plan of attack you can follow. I will outline it below…

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Is the front of my kart working with the rear? If you look closely, I have a slight oversteer. The guy behind me – huge oversteer! (Click on the picture to enlarge. Photo courtesy of On Track Promotions.)

You hear racing drivers talk about balance at the track and on TV etc. What exactly are they referring to? Essentially, when drivers speak of balance they are referring to the grip level relationship between the front and rear of their car/go kart. When a car or go kart is balanced, the front and rear are working together to the point where the kart is either planted to the road or has an overall drift devoid of any predominate oversteer or understeer. Furthermore, you as a driver are in complete control of the handling of the go kart with driver inputs such as throttle and brake and can actually induce a touch of oversteer or understeer if needed. So how do you get your go kart to this point? That’s the tricky part…

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While the goal of the FKI Newsletter is to help you tune your chassis so you don’t have a handling problem, realistically, there are going to be times when you are still fighting an unbalanced kart in race conditions. In this situation you have to do damage control and drive around the problem until you can make another change before the next heat. That’s great you say, but how exactly do I drive around a huge understeer or oversteer? Well, there are a couple of tricks….

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While most new go kart chassis these days have mounting points for torsion bars, they actually use the bars to varying degrees. For instance, Tony Kart offers five different torsion bar options and optimal chassis tuning relies heavily on the use of the proper bar. CRG and Zanardi on the other hand, rarely call for the use of torsion bars. In fact, if you walk around almost any race grid, you will be hard pressed to see a CRG with a front bar installed when it’s dry. If it’s wet, that’s a different story. To complicate things even further, Birel has two different mounting points for two different types of bars. So what do the bars do to your go kart’s chassis and how do you make the best use of them? I’ll do my best to unveil the mystery of torsion bars…

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Raceday. The reason you test, the reason you train, the outright best part of karting. But all the testing and training in the world isn’t going to help you win if you go kart is ill-prepared. I can think of at least two race wins that I threw away because of a mechanical oversight. I am pretty sure you can do the same. To make sure this never happens again, I now have a pre-race checklist and routine to insure that my kart is race ready. Regardless of whether your race is 300+ miles away or right around the corner, a mechanical is the last thing you need to experience on a race weekend…

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Editors Note – For those of you who don’t know AJ Whisler, AJ is one of the most highly regarded and well respected Tuners in North America. Why did I choose AJ to guest write an article on the importance of chains and proper chain maintenance? A few years ago, I ran into AJ at my hometown track during the height of the Super Pro era and he told me something that stuck with me to this day. He said that the teams he worked with had been noticing a 50-100 rev advantage on longest straight with new chains in a shifter kart and up to 400 rpm in an ICA (20,000 rpm) engine. Because of this, some of the teams were putting new chains on their go karts forevery heat and main event. Realizing this was not economically feasible for 99% of karters, AJ went on to do many hours of dyno and track testing and development to come up with low friction, highly durable chains that you don’t need to replace for every race to maintain peak performance. (For more information on AJ’s chains, click here to be taken to AJ’s website whisler-racing.com). So, who better to give us tips and technical insight into optimizing your chain than AJ Whisler…

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While they may be small and not necessarily the most sophisticated looking piece on your go kart, hubs and collars can make a big difference to your kart’s handling. Funnily enough, when I first started shifter-karting recreationally, the only reason I put a collar on my kart was to stop the rear hubs from creeping in. I then attributed the subsequent handling change to changing track conditions. Now I know that changing the hub length, either by using a different size hub or adding or removing collars, is essentially changing the axle’s spring rate which will definitely affect how your go kart handles. In fact, one simple hub change has been the key to a number of my ProKart victories over the years. The trick is to find out what your go kart likes and then determine if your go kart is more hub or axle sensitive. I’ll explain…

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The Start! Are you ready for the race? (Photo Courtesy On Track Promotions)

Let me ask you a question. What are you doing on the Warmup Lap to prepare for the race? If your answer is simply warming up the tires, you are leaving a lot of opportunity on the table. I remember the first time I saw Fernando Alonso bring his Renault up to the line with that signature violent wiggle (as opposed to everyone else’s weave.) At first I thought, that’s a little over the top. Yes, it is an impressive display of car control (900hp, cold tires, and full-tank weight being rapidly transferred from side to side). Now I realize that Alonso has revolutionized the art of the warming up an open wheel race car. Everyone has copied him and there is more to his method than first meets the eye…

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Having just returned from the Indy 500, it felt as good a time as any to discuss how to approach and maximize fast corners. In addition, I have just recently finished coaching some drivers including some lead-following in the go karts and realized fast corners are a common area that is challenging many drivers. Fast corners are tricky not only because of their sheer speed and intimidation factor, they also requires precise timing. Consequently, after following drivers on practice nights for many years and from my recent coaching experiences there seems to be three basic errors that many drivers make when it comes to negotiating fast corners. These errors actually conspire to reduce your confidence making the process of conquering fast corners a vicious psychological circle. Once these errors are addressed and rectified, fast corners actually seem easier and more comfortable to negotiate even as you start going faster and faster.

To wet your appetite, I have included a link to an interesting video sent to me by one of my subscribers regarding Schumacher and fast corners (Click here to see the video). Pay particular attention to the data segment of the video. I’ll explain how to translate what you learn in the video to your own driving on the track…

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For those of you that missed it, I ran some data analysis on the SuperNats. Here’s some highlights:

Average Size of each Class: 49 Karts

Average number of karts to qualify within 1 second of pole: 29

Class with most karts qualified within 1 second of pole (Tag Senior): 40

Average number of karts to qualify within 1 second of pole by percentage: 70%

Highest percentage of karts to qualify within 1 second of pole (S1): 100%

ENTIRE 22 KART FIELD IN S1 WAS COVERED BY 0.827 SECONDS!!!

It’s fair to say that qualifying has always been important. Given the stats above, I would argue that over the last couple of years qualifying has been more important than ever. Three or four years ago, two tenths may have only cost you a spot or two, now it can cost you ten. Furthermore, if you race on a narrower track where passing is more difficult, qualifying could be the race. Add the fact that a lot of series give you extra bonus points for pole and you start to get the point.

So how do you optimize your go kart for qualifying? Well, we’ve touched on a number of issues before but I will tie them all together here so you have a concrete plan to put your go kart toward the sharp end of the grid…

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